Modified polytrifluorochloroethylene plastic for junction box of SF6 density relay

A polychlorotrifluoroethylene and density relay technology, applied in the field of SF6 density relays, can solve the problems of heat resistance, aging resistance and mechanical properties that cannot meet the requirements, and achieve good oxidation resistance, improve dispersibility, and improve mechanical properties. Effect

Inactive Publication Date: 2016-02-03
ANHUI RUIXIN AUTOMATION INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is widely used in high-voltage circuit breakers, medium-voltage switches, gas-insulated equipment, high-voltage cables, transformers and transformers. It should be able to adapt to outdoor harsh environmental spare parts, and send out alarm signals in time for the leakage of SF6 gas in electrical equipment. , blocking signal or overpressure signal to ensure the safe operation of electrical equipment, but the heat resistance, aging resistance and mechanical properties of the SF6 density relay junction box shell can not meet the demand

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A modified polychlorotrifluoroethylene plastic for a junction box of a SF6 density relay, its raw materials include by weight: 20 parts of ethylene-vinyl acetate copolymer, 40 parts of polychlorotrifluoroethylene, 5 parts of polyacrylic acid, bisphenol A 20 parts of type polyarylate, 1 part of dicumyl peroxide, 2 parts of diethylenetriamine, 1 part of 2-hydroxytriethylamine, 2 parts of cerium oxide, 0.5 parts of lanthanum oxide, 3 parts of stearic acid, 1 part of liquid coumarone, 20 parts of glass fiber, 20 parts of superfine modified kaolin, 15 parts of clay, 10 parts of glass microspheres, 20 parts of nano-silica, 2641 parts of anti-aging agent, 2 parts of anti-aging agent DPPD, terephthalate 1 part of amine.

Embodiment 2

[0015] A modified polychlorotrifluoroethylene plastic for a junction box of a SF6 density relay, its raw materials include by weight: 40 parts of ethylene-vinyl acetate copolymer, 30 parts of polychlorotrifluoroethylene, 15 parts of polyacrylic acid, bisphenol A 5 parts of type polyarylate, 2 parts of dicumyl peroxide, 1 part of diethylenetriamine, 2 parts of 2-hydroxytriethylamine, 1 part of cerium oxide, 1 part of lanthanum oxide, 1 part of stearic acid, 2 parts of liquid coumarone, 10 parts of glass fiber, 40 parts of superfine modified kaolin, 5 parts of clay, 20 parts of glass microspheres, 10 parts of nano-silica, 2642 parts of anti-aging agent, 1 part of anti-aging agent DPPD, terephthalate amine 2 parts.

Embodiment 3

[0017] A modified polychlorotrifluoroethylene plastic for a junction box of a SF6 density relay, its raw materials include by weight: 34 parts of ethylene-vinyl acetate copolymer, 37 parts of polychlorotrifluoroethylene, 10 parts of polyacrylic acid, bisphenol A 16 parts of type polyarylate, 1.2 parts of dicumyl peroxide, 1.9 parts of diethylenetriamine, 1.4 parts of 2-hydroxytriethylamine, 1.6 parts of cerium oxide, 0.6 parts of lanthanum oxide, 2.4 parts of stearic acid, 1.4 parts of liquid coumarone, 16 parts of glass fiber, 30 parts of superfine modified kaolin, 13 parts of white clay, 14 parts of glass microspheres, 19 parts of nano silicon dioxide, 2641.4 parts of anti-aging agent, 1.8 parts of anti-aging agent DPPD, 1.4 parts of phenylenediamine.

[0018] The superfine modified kaolin is prepared by the following process: Weigh 50 parts of kaolin, 10 parts of methanol, and 15 parts of water by weight, stir for 20 minutes, heat up to 200°C and continue stirring for 20 ho...

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Abstract

The invention discloses modified polytrifluorochloroethylene plastic for a junction box of an SF6 density relay. Raw materials of the modified polytrifluorochloroethylene plastic in parts by weight are as follows: 20-40 parts of ethylene-vinyl acetate copolymer, 30-40 parts of polytrifluorochloroethylene, 5-15 parts polyacrylic acid, 5-20 parts of bisphenol A type polyarylester, 1-2 parts of dicumyl peroxide, 1-2 parts of diethylenetriamine, 1-2 parts of N,N-diethylethanolamine, 1-2 parts of cerium oxide, 0.5-1 part of lanthanum oxide, 1-3 parts of stearic acid, 1-2 parts of liquid coumarone, 10-20 parts of glass fibers, 20-40 parts of superfine modified kaolin, 5-15 parts of clay, 10-20 parts of glass beads, 10-20 parts of nanosilicon dioxide, 1-2 parts of an anti-ageing agent 264, 1-2 parts of an anti-ageing agent DPPD and 1-2 parts of p-phenylenediamine. The modified polytrifluorochloroethylene plastic disclosed by the invention has excellent heat resistance, ageing resistance and mechanical properties.

Description

technical field [0001] The invention relates to the technical field of SF6 density relays, in particular to a modified polychlorotrifluoroethylene plastic for a junction box of an SF6 density relay. Background technique [0002] SF6 gas density relay is used to monitor and control the density of protective gas SF6 in high-voltage power equipment. It is widely used in high-voltage circuit breakers, medium-voltage switches, gas-insulated equipment, high-voltage cables, transformers and transformers. It should be able to adapt to outdoor harsh environmental spare parts, and send out alarm signals in time for the leakage of SF6 gas in electrical equipment. , blocking signal or overpressure signal to ensure the safe operation of electrical equipment, but the heat resistance, aging resistance and mechanical properties of the SF6 density relay junction box shell can not meet the demand. Contents of the invention [0003] The invention provides a modified polytrifluorochloroethyl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/12C08L23/08C08L33/02C08L45/02C08L67/00C08K13/06C08K9/06C08K9/04C08K9/02C08K3/34C08K7/20C08K5/14C08K3/22C08K3/36
Inventor 高凤谊
Owner ANHUI RUIXIN AUTOMATION INSTR
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